[INFO] cloning repository archer884/function_composition
[INFO] running `"git" "clone" "--bare" "git://github.com/archer884/function_composition.git" "work/cache/sources/gh/archer884/function_composition"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/archer884/function_composition'...
[INFO] running `"git" "clone" "work/cache/sources/gh/archer884/function_composition" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/archer884/function_composition"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/archer884/function_composition'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/archer884/function_composition" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/archer884/function_composition"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/archer884/function_composition'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7860c50fb5ea71d5131729f3d51c4b14e2042330
[INFO] sha for GitHub repo archer884/function_composition: 7860c50fb5ea71d5131729f3d51c4b14e2042330
[INFO] validating manifest of archer884/function_composition on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of archer884/function_composition on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing archer884/function_composition
[INFO] finished frobbing archer884/function_composition
[INFO] frobbed toml for archer884/function_composition written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/archer884/function_composition/Cargo.toml
[INFO] started frobbing archer884/function_composition
[INFO] finished frobbing archer884/function_composition
[INFO] frobbed toml for archer884/function_composition written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/archer884/function_composition/Cargo.toml
[INFO] crate archer884/function_composition already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing archer884/function_composition against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/archer884/function_composition:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 78c297062fc4b18ede89359d369115420950280825b31f4a53c74f4e02160f5e
[INFO] running `"docker" "start" "-a" "78c297062fc4b18ede89359d369115420950280825b31f4a53c74f4e02160f5e"`
[INFO] [stderr]    Compiling function_composition v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:57
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn compose<'f, T1, T2, T3, F1, F2>(a: F1, b: F2) -> Box<Fn(T1) -> T3 + 'f>
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T1) -> T3 + 'f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "78c297062fc4b18ede89359d369115420950280825b31f4a53c74f4e02160f5e"`
[INFO] running `"docker" "rm" "-f" "78c297062fc4b18ede89359d369115420950280825b31f4a53c74f4e02160f5e"`
[INFO] [stdout] 78c297062fc4b18ede89359d369115420950280825b31f4a53c74f4e02160f5e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/archer884/function_composition:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b036ea5678e460eb1518ee04f745600d799979d1db10875345c55ad5b4e97f4d
[INFO] running `"docker" "start" "-a" "b036ea5678e460eb1518ee04f745600d799979d1db10875345c55ad5b4e97f4d"`
[INFO] [stderr]    Compiling function_composition v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:57
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn compose<'f, T1, T2, T3, F1, F2>(a: F1, b: F2) -> Box<Fn(T1) -> T3 + 'f>
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T1) -> T3 + 'f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "b036ea5678e460eb1518ee04f745600d799979d1db10875345c55ad5b4e97f4d"`
[INFO] running `"docker" "rm" "-f" "b036ea5678e460eb1518ee04f745600d799979d1db10875345c55ad5b4e97f4d"`
[INFO] [stdout] b036ea5678e460eb1518ee04f745600d799979d1db10875345c55ad5b4e97f4d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/archer884/function_composition:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 997f2130a6596be2d392fa11d5c0ec9f2b6567ca05db2fc0ec084638764bab6e
[INFO] running `"docker" "start" "-a" "997f2130a6596be2d392fa11d5c0ec9f2b6567ca05db2fc0ec084638764bab6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/function_composition-134ea14bb47cf4f0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "997f2130a6596be2d392fa11d5c0ec9f2b6567ca05db2fc0ec084638764bab6e"`
[INFO] running `"docker" "rm" "-f" "997f2130a6596be2d392fa11d5c0ec9f2b6567ca05db2fc0ec084638764bab6e"`
[INFO] [stdout] 997f2130a6596be2d392fa11d5c0ec9f2b6567ca05db2fc0ec084638764bab6e